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Page Reclamation

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Deepin Linux

Apr 7, 2025 · Fundamentals

Understanding Linux Kernel Page Reclamation Mechanisms

This article explains how Linux manages memory through page reclamation, detailing the role of LRU algorithms, page classification, reverse mapping, direct and asynchronous reclaim paths, and the OOM killer, while providing code examples and practical tuning advice.

KernelMemory ManagementOOM Killer

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Understanding Linux Kernel Page Reclamation Mechanisms

IT Services Circle

May 24, 2022 · Fundamentals

Understanding Linux Memory Management, Page Reclamation, and OOM Killer

This article explains Linux virtual memory concepts, the process of memory allocation, page fault handling, background and direct memory reclamation methods, LRU-based page types, NUMA considerations, tuning parameters like swappiness and min_free_kbytes, and strategies to prevent OOM killer termination.

Memory ManagementNUMAOOM Killer

0 likes · 18 min read

Understanding Linux Memory Management, Page Reclamation, and OOM Killer